How can PHP functions like max() be utilized to determine the largest variable from a set of variables?

To determine the largest variable from a set of variables in PHP, you can use the `max()` function. This function takes a list of variables as arguments and returns the largest value among them. By passing the variables as arguments to the `max()` function, you can easily find the maximum value without having to manually compare each variable. 

$var1 = 10;
$var2 = 20;
$var3 = 15;

$largest = max($var1, $var2, $var3);

echo "The largest variable is: " . $largest;

Keywords

PHP functions max() variables comparison

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